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Method and apparatus for harmonic tissue imaging and contrast imaging using coded transmission
Method and apparatus for harmonic tissue imaging and contrast imaging using coded transmission
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机译:使用编码传输进行谐波组织成像和对比度成像的方法和装置
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摘要
A method and an apparatus for imaging the nonlinear components of an ultrasound signal returned from ultrasound scatterers in tissue or contrast agents in blood. The method employs a code-modulated wavelet for transmission combined with correlation filtering on reception. Coding methods are used to simultaneously manipulate the linear and nonlinear terms. The manipulations affect the magnitude and temporal arrangement of the resulting decoded waveforms. Among the simultaneous manipulations of linear and harmonic decoded signals are: orthogonal linear terms, finite linear terms, minimum sidelobe with optimal peak harmonic terms and optimally compressed harmonic terms.
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